Guiote, V., Cunha, F., Pinho, A., Brinca, A. and Vieira, R. (2018) “Advanced Merkel Cell Carcinoma: A New Case of Spontaneous Regression”, Journal of the Portuguese Society of Dermatology and Venereology, 75(3), pp. 301-304. doi: 10.29021/spdv.75.3.822.